4513 BCD-to-7 Segment Latch/Decoder/Driver with Ripple Blanking

Pin Arrangement

PIN Function LT Lamp Test BI Blank In LE Latch Enable RBI Ripple Blanking In RBO Ripple Blanking Out D0 - D3 Data-In a - g 25mAm Source Output Pattern

Truth Table

INPUTS					OUTPUTS
RBI	LE	BI'	LT'	D3 - D0	RBO	a b c d e f g	DISPLAY
x	x	x	0	x x x x	x	1 1 1 1 1 1 1	Lamp Test
x	x	0	1	x x x x	x	0 0 0 0 0 0 0	Blank
1	0	1	1	0 0 0 0	1	0 0 0 0 0 0 0	Blank
0 x x x	0 0 0 0	1 1 1 1	1 1 1 1	0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1	0 0 0 0	1 1 1 1 1 1 0 0 1 1 0 0 0 0 1 1 0 1 1 0 1 1 1 1 1 0 0 1	0 1 2 3
x x x x	0 0 0 0	1 1 1 1	1 1 1 1	0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1	0 0 0 0	0 1 1 0 0 1 1 1 0 1 1 0 1 1 0 0 1 1 1 1 1 1 1 1 0 0 0 0	4 5 6 7
x x x x	0 0 0 0	1 1 1 1	1 1 1 1	1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1	0 0 0 0	1 1 1 1 1 1 1 1 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0	8 9 Blank Blank
x x x x	0 0 0 0	1 1 1 1	1 1 1 1	1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1	0 0 0 0	0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0	Blank Blank Blank Blank
x	1	1	1	x x x x	hold	hold	hold

Electrical Characteristics

Operating Range

VDD	B	UB	H	74HC	Unit
Min	3	-	-	-	V
Max	18	-	-	-	V




Timming

		4513B
Seg. Output		VDD = 5V		VDD = 15V		Unit
		typ	max	typ	max
Rising Time		40	80	25	50	nS
Falling Time		125	250	65	130	nS
Propagation Delay by D3 - D0	LH	640	1280	175	350	nS
	HL	720	1440	200	400	nS
Propagation Delay by LT		313	625	90	180	nS

Reference

4511, 4547